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An important ingredient of pyrex glass i...

An important ingredient of pyrex glass is-

A

Zn

B

Pb

C

B

D

Fe

Text Solution

Verified by Experts

The correct Answer is:
C
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CHHAYA PUBLICATION-SOME p-BLOCK ELEMENTS-MCQ HOTSPOT (Single Correct Type)
  1. The structure of diborane (B2 H6) contains-

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  2. Which of the following element is used in temperature thermometry-

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  3. An important ingredient of pyrex glass is-

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  4. Which of the following is the purest allotrope of carbon-

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  5. Number of isomers possible for disubstituted borazine, B3N3H4X2 is -

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  6. Pentaborane-9 (B5 H9 ) is an example of-

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  7. Si when reacts with A forms B . A & B respectively are -

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  8. Boric acid is a-

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  9. Which of the following does not exist in free state-

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  10. Correct order of decreasing Lewis acid character is -

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  11. Which of the following is present in the chain structure of silicate-

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  12. A metal, M forms chlorides in +2 and +4 oxidation states. Which of the...

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  13. The number of O-atoms that are shared per SiO4 tetrahedra in silicate ...

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  14. Which of the following on hydrolysis produces cross-linked silicone po...

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  15. The antidote of poisoning caused by CO is-

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  16. Carbon suboxide on reaction with water produces-

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  17. Volume of which liquid metal increases on solidification-

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  18. Which of the following reacts only with alkali-

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  19. Which is the strongest Lewis acid-

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  20. Atomic radius of Ga is slightly less than that of Al. The reason is-

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